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Date: Mon, 07 Mar 2016 14:06:48 -0500 (EST)
Message-Id: <20160307.140648.619723704794000620.davem@davemloft.net>
To: dave.hansen@intel.com
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Subject: Re: [PATCH v2] sparc64: Add support for Application Data Integrity
 (ADI)
From: David Miller <davem@davemloft.net>
In-Reply-To: <56DDBBFD.8040106@intel.com>
References: <1456951177-23579-1-git-send-email-khalid.aziz@oracle.com>
	<56DDBBFD.8040106@intel.com>
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From: Dave Hansen <dave.hansen@intel.com>
Date: Mon, 7 Mar 2016 09:35:57 -0800

> On 03/02/2016 12:39 PM, Khalid Aziz wrote:
>> +long enable_sparc_adi(unsigned long addr, unsigned long len)
>> +{
>> +	unsigned long end, pagemask;
>> +	int error;
>> +	struct vm_area_struct *vma, *vma2;
>> +	struct mm_struct *mm;
>> +
>> +	if (!ADI_CAPABLE())
>> +		return -EINVAL;
> ...
> 
> This whole thing with the VMA splitting and so forth looks pretty darn
> arch-independent.  Are you sure you need that much arch-specific code
> for it, or can you share more of the generic VMA management code?

This is exactly what I have suggested to him, and he has agreed to pursue.